Authors: Giel, Oliver
Lehre, Per Kristian
Title: On the effect of populations in evolutionary multi-objective optimization
Language (ISO): en
Abstract: Multi-objective evolutionary algorithms (MOEAs) have become increasingly popular as multi-objective problem solving techniques. Most studies of MOEAs are empirical. Only recently, a few theoretical results have appeared. It is acknowledged that more theoretical research is needed. An important open problem is to understand the role of populations in MOEAs. We present a simple bi-objective problem which emphasizes when populations are needed. Rigorous runtime analysis point out an exponential runtime gap between a population-based algorithm (SEMO) and several single individual-based algorithms on this problem. This means that among the algorithms considered, only the populationbased MOEA is successful and all other algorithms fail.
URI: http://hdl.handle.net/2003/24343
http://dx.doi.org/10.17877/DE290R-9000
Issue Date: 2007-06-04T16:20:03Z
Appears in Collections:Sonderforschungsbereich (SFB) 531

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